6551173 has 2 divisors, whose sum is σ = 6551174. Its totient is φ = 6551172.

The previous prime is 6551161. The next prime is 6551177. The reversal of 6551173 is 3711556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5189284 + 1361889 = 2278^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551173 - 2⁵ = 6551141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6551177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275586 + 3275587.

It is an arithmetic number, because the mean of its divisors is an integer number (3275587).

Almost surely, 2^6551173 is an apocalyptic number.

It is an amenable number.

6551173 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551173 is an equidigital number, since it uses as much as digits as its factorization.

6551173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 28.

The square root of 6551173 is about 2559.5259326680. The cubic root of 6551173 is about 187.1140315111.

It can be divided in two parts, 6551 and 173, that added together give a square (6724 = 82²).

The spelling of 6551173 in words is "six million, five hundred fifty-one thousand, one hundred seventy-three".